docs: def __set_title(self, value):
          """
          Sets title of this axis.
          """
          # OpenOffice on Debian "squeeze" ignore value of target.XAxis.String
          # unless target.HasXAxisTitle is set to True first. (Despite the
          # fact that target.HasXAxisTitle is reported to be False until
          # target.XAxis.String is set to non empty value.)
          self._target.setPropertyValue(self._has_axis_title_property, True)
          target = self._get_title_target()
          target.setPropertyValue('String', text_type(value))